ainsley_brader
Member
Registered: 24th Mar 02
Location: Tattershall, Lincolnshire
User status: Offline
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Certain plastics have melting points higher than aluminium so making a rocker cover out of plastic is relatively easy. However if you were to take the pigment out you would be left with an opague rather than transparent cover.
To make it perfectly clear you would have to use an acrylic which would be quite brittle and most likely of no use day to day although would work for shows!
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Cybermonkey
Member
Registered: 22nd Sep 02
Location: Sydney, Australia
User status: Offline
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i tihnk people are getting confused by the cast iron rocker cover and the spark plug cover on 16v engines.
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ainsley_brader
Member
Registered: 24th Mar 02
Location: Tattershall, Lincolnshire
User status: Offline
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quote:
Originally posted by Cybermonkey
i tihnk people are getting confused by the cast iron rocker cover and the spark plug cover on 16v engines.
Cast iron? I think you mean aluminium!
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ed
Member
Registered: 10th Sep 03
User status: Offline
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If it were made from almost any sort of plastic the oil would penetrate it and it would go brown...
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John
Member
Registered: 30th Jun 03
User status: Offline
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The rocker cover, not spark plug cover, on the 2.0 16v ecotec astra engine is definetely some sort of plastic or material thats not metal.
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tooolbox timmy
Member
Registered: 6th Dec 05
Location: lancashire
User status: Offline
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i have a 2.0 ecotec in my corsa,and its plastic,liek a very very strong thermosetting plastic,no metal
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TOMAS
Member
Registered: 7th Aug 02
Location: Nottinghamshire
User status: Offline
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I still cant believe they are made of plastic!? You sure they are not metal @ dip coated in a plastic finish?
Strange?
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